LexDanaLexDanabeta
Inventor

John M. Zeni

Inventor
Racine, WI, US

Overview

7→
Patents
2000–2010
Patent span
LOC
Primary field

Patents· 7 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E21Bprimary
E21BEarth or rock drilling43%
LOC1229%
LOC1529%
PatentTitleYear
7,823,657'Drilling assembly, drilling reamer arm assembly, and methods of drilling'20107,775,298'Drilling assemblies and methods of drilling'20107,497,268'Drill pipe elevators and methods of moving drill pipe'2009D0441710'Work vehicle fuel tank'2001D0439586'Work vehicle body'2001D0436969'Work vehicle ballast'2001D0424580'Work vehicle cab'2000

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2000–2001Patents assigned to CASE CORP (4)· patent assignee history
2000–2001Based in Racine, WI, US· patent location history
2009Patents assigned to ROCK WELL PETROLEUM INC (1)· patent assignee history
2009–2010Based in Sheridan, WY, US· patent location history
2010Patents assigned to ABERGELDIE HOLDINGS PTY LTD AB (2)· patent assignee history
2010Based in Maidsville, WV, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
CASE CORP42000–2001
ABERGELDIE HOLDINGS PTY LTD AB22010
ROCK WELL PETROLEUM INC12009
Locations
LocationPatentsSpan
Racine, WI, US42000–2001
Sheridan, WY, US22009–2010
Maidsville, WV, US12010